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Question: page i a chain of sports shops a b and...

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Page I. A chain of sports shops, A, B and C, sells T-shirts, trainers and tennis racquets. The weękly sales and profi t per item are shown in the tables below: Sales per week . Tshirts Trainers Tennis racquets Shop A 60 80 10 Shop B 40 123 Shop C 25 90 25 Shop C (5) Profit per item T-shirts Trainers Shop A (5) Shop B (5) 1.50 6 Tennis racquets 20 25 30 The 3 × 3 matrices íormed from the sales and profit tables are denoted by S and P respectively. a. If SP is denoted by A, find the element a and give a brief interpretation of this number. b. If s P is denoted by B, find the element b, and give a brief interpretation of this number.

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